package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.alibaba.fastjson.JSON;
import com.itheima.constant.MessageConstant;
import com.itheima.constant.RedisMessageConstant;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.service.MemberService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import redis.clients.jedis.JedisPool;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;
import java.util.Date;
import java.util.Map;

@RestController
@RequestMapping("/member")
public class MemberController {

   @Autowired
   private JedisPool jedisPool;
   @Reference
   private MemberService memberService;

   /**
    * 手机验证码快速登录
    * @param map 包含手机号,验证码
    * @return
    */
   @RequestMapping("/login")
   public Result login(@RequestBody Map map, HttpServletResponse response) {
      //1.校验验证码
      String telephone = (String) map.get("telephone");
      String validateCode = (String) map.get("validateCode");//用户输入的验证码
      String codeInRedis = jedisPool.getResource().get(telephone + RedisMessageConstant.SENDTYPE_LOGIN);//redis中的验证码
      if (validateCode == null || codeInRedis == null || !validateCode.equals(codeInRedis)) {
         //校验失败
         return new Result(false, MessageConstant.VALIDATECODE_ERROR);
      }

      //2.校验成功,判断用户是否是会员,通过手机号查询member表
      Member member = memberService.findByTelephone(telephone);
      if (member == null) {
         //不是会员,进行自动注册
         member = new Member();
         member.setPhoneNumber(telephone);
         member.setRegTime(new Date());

         memberService.add(member);
      }

      //3.登录成功的标志,将用户的手机号存入cookie
      Cookie cookie = new Cookie("login_member_telephone", telephone);
      cookie.setPath("/");
      cookie.setMaxAge(60*60*24*30);//保存30天
      response.addCookie(cookie);

      //4.将用户数据存入公共的redis中key为手机号, 分布式部署无法共享session数据
      String json = JSON.toJSON(member).toString();
      jedisPool.getResource().setex(telephone, 60 * 30, json);
      return new Result(true,MessageConstant.LOGIN_SUCCESS);
   }

}
